docs.google.comen County CollegeCourse Roster, Chemistry l SclencePercent by mlt Tools Add-ons HelpAll changes saved in Drive12BIU Anal textTimes New...+123456Trial 1Trial 2Mass of crucible,lid+hydrate, g43.123943.7379Mass of crucible and lid, g42.102143.2360Mass of hydrate, g1.02180.5019Mass of crucible,42.654343.5062lid anhydrous compound,Mass of anhydrouscompound, g0.55220.2702Mass of water eliminated,0.23170.4696Percent by mass of waterin unknown2:1Average percent by massof waterN

Question
Asked Sep 29, 2019
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How to calculate the percent by mass of water in unknown?

docs.google.com
en County College
Course Roster, Chemistry l Sclence
Percent by ml
t Tools Add-ons Help
All changes saved in Drive
12
BIU A
nal text
Times New...
+1
2
3
4
5
6
Trial 1
Trial 2
Mass of crucible,
lid+hydrate, g
43.1239
43.7379
Mass of crucible and lid, g
42.1021
43.2360
Mass of hydrate, g
1.0218
0.5019
Mass of crucible,
42.6543
43.5062
lid anhydrous compound,
Mass of anhydrous
compound, g
0.5522
0.2702
Mass of water eliminated,
0.2317
0.4696
Percent by mass of water
in unknown
2:1
Average percent by mass
of water
N
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docs.google.com en County College Course Roster, Chemistry l Sclence Percent by ml t Tools Add-ons Help All changes saved in Drive 12 BIU A nal text Times New... +1 2 3 4 5 6 Trial 1 Trial 2 Mass of crucible, lid+hydrate, g 43.1239 43.7379 Mass of crucible and lid, g 42.1021 43.2360 Mass of hydrate, g 1.0218 0.5019 Mass of crucible, 42.6543 43.5062 lid anhydrous compound, Mass of anhydrous compound, g 0.5522 0.2702 Mass of water eliminated, 0.2317 0.4696 Percent by mass of water in unknown 2:1 Average percent by mass of water N

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Expert Answer

Step 1

 Percent by mass is calculated by using the formula,

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Mass of solute Percent by mass Massof solution *100.

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Step 2

For trial (1), the percent mass o...

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